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dc.contributor.authorCastañeda del Álamo, Carmenes_ES
dc.contributor.authorHerrero Isern, Juanes_ES
dc.date.accessioned2018-02-21T09:52:06Z-
dc.date.available2018-02-21T09:52:06Z-
dc.date.issued2018-05-
dc.identifier.citationCastañeda C, Herrero J. A paddy on sodic varved sediment and plant life constraints, NE Spain. Catena 164: 50-61 (2018)es_ES
dc.identifier.issn0341-8162-
dc.identifier.urihttp://hdl.handle.net/10261/161086-
dc.description21 Pags. The definitive version, with Figs. and Tabls., is available at: https://www.sciencedirect.com/science/journal/03418162es_ES
dc.description.abstractIn arid lands, irrigation is necessary for agriculture to be profitable. However, the nature of soils and parent materials is significant enough to trigger permanent management limitations and the loss of important investments, as happened in some areas of the Flumen irrigation district in the Central Ebro Basin, NE Spain. We studied the distinct soil characteristics of a salt-affected agricultural plot and its recurrent problems from the last 30 years. We describe and discuss the prominent features of this soil and their effects on plant life and agricultural management. The evidence of post-irrigation salt-related effects is documented together with the water and soil salinity monitoring records. The presence of varved Holocene sediments comprising alternating clays and carbonate-rich silt with high levels of salinity and sodicity, together with a shallow saline water table, were found to be the key unfavorable conditions. Despite a noticeable decrease in sodium adsorption ratio (SAR) from 1999 to 2015 and a reduction in soil salinity down to a steady state after rice paddy cultivation, SAR and alkalinity remained high enough to hamper irrigated agriculture. Only the native plant Puccinellia festuciformis thrives in the studied plot. The article presents and discusses chemical features―analytical data―and morphological features―pictures and descriptions―that are seldom reported and interpreted together in the scientific or technical literature about irrigation of sodic soils, often limited to chem data. The paddy field studied is deemed representative of the most unfavorable soils for agriculture in the irrigated districts of the Ebro valley.es_ES
dc.description.sponsorshipThis work was financed by the project PCIN-2014-106 funded by the Ministry of Economy, Industry and Competitiveness of Spain through APCIN. We also acknowledge the project Icoop-2016SU0015 granted by the Spanish National Research Council (CSIC), and several previous Spanish Government projects.es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.relation.isversionofPostprintes_ES
dc.rightsembargoedAccesses_ES
dc.subjectEbro Basines_ES
dc.subjectHolocenees_ES
dc.subjectIrrigationes_ES
dc.subjectRicees_ES
dc.subjectSalinityes_ES
dc.subjectSodicityes_ES
dc.subjectSoiles_ES
dc.titleA paddy on sodic varved sediment and plant life constraints, NE Spaines_ES
dc.typeartículoes_ES
dc.identifier.doi10.1016/j.catena.2018.01.010-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttps://doi.org/10.1016/j.catena.2018.01.010es_ES
dc.embargo.terms2020-05-31es_ES
dc.rights.licensehttp://creativecommons.org/licenses/by-nc-nd/4.0/-
dc.contributor.funderMinisterio de Economía y Competitividad (España)es_ES
dc.contributor.funderConsejo Superior de Investigaciones Científicas (España)es_ES
dc.relation.csices_ES
oprm.item.hasRevisionno ko 0 false*
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003339es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003329es_ES
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